The polyethylene polymer was discovered in the 1930’s and led to the rapid development of other polymers, including polyvinyl chloride, polyproplene, and polyesters.
The polyethylene polymer was discovered in the 1930’s and led to the rapid development of other polymers, including polyvinyl chloride, polyproplene, and polyesters.
20世纪30年代发现了聚乙烯后，包括聚氯乙烯、聚丙烯和聚酯在内的其它高分子聚合物迅速发展。